Norwegian Sea
IHO sea area 6 · -14° to 26° E, 61° to 77° N
- in force
- 1
- last 12 months
- 13
- archive messages
- 497
- categories
- 15
What the archive shows
497 messages are recorded since 1999-04-21 for the Norwegian Sea. The selection uses the IHO sea area; a message may describe an exercise, equipment outage or continuing operation as well as a hazard report.
Cable ops accounts for 134 of 497 recorded messages (27%), the largest category group in this selection.
The NGA historical archive froze in 2024-05; live collection began 2026-08-17. Counts around that gap are incomplete, and changes in reporting volume do not establish changes in incident frequency.
- An older warning still listed in force · issued 2026-08-28 09:28ZSurvey operations in Norwegian Sea by Amazon Conqueror towing twelve 10,000-meter cables, seven mile berth requested.
In force now · 1
Longest in force
By year
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · available archive
| Cable ops | 134 | 27% |
| Surveys | 109 | 22% |
| Missiles | 85 | 17% |
| Exercises | 62 | 12% |
| Nav aids | 31 | 6% |
| Quakes | 17 | 3% |
| Ordnance | 13 | 3% |
| Other | 12 | 2% |
| Debris | 12 | 2% |
| Containers | 9 | 2% |
| Incidents | 6 | 1% |
| Restricted | 4 | 1% |
| Derelicts | 1 | 0% |
| Mines | 1 | 0% |
| Icebergs | 1 | 0% |
Archive · 496 cancelled
- HYDROLANT 2345/12 · Missiles2012-10-07 → 2012-10-14Hazardous operations 0900Z to 1400Z daily 10 thru 20 oct in area bound by 69-41.0N 016-05.0E, 69-41.0N…
- HYDROARC 200/12 · Missiles2012-10-07 → 2012-10-14Hazardous operations 0900Z to 1400Z daily 10 thru 20 oct in area bound by 69-41.0N 016-05.0E, 69-41.0N…
- HYDROLANT 2069/12 · Missiles2012-09-07 → 2012-09-13Hazardous operations 0900Z to 1800Z daily 09 thru 19 sep in areas bound by: a. 69-26.30N 015-32.15E,…
- HYDROARC 162/12 · Missiles2012-09-07 → 2012-09-13Hazardous operations 0900Z to 1800Z daily 09 thru 19 sep in areas bound by: a. 69-26.30N 015-32.15E,…
- HYDROARC 120/12 · Cable ops2012-08-12 → 2012-09-24Seismic survey in progress until further notice by M/V nordic explorer towing five mile long cable in area…
- HYDROLANT 1800/12 · Cable ops2012-08-06 → 2012-09-04Seismic survey in progress until further notice by M/V ramform vanguard towing 14 cables in area bound by…
- HYDROARC 111/12 · Cable ops2012-08-06 → 2012-09-04Seismic survey in progress until further notice by M/V ramform vanguard towing 14 cables in area bound by…
- HYDROLANT 1750/12 · Cable ops2012-08-01 → 2012-08-06Seismic survey in progress until 05 aug by M/V ramform vanguard towing 14 cables in area bound by 66-59.4N…
- HYDROARC 105/12 · Cable ops2012-08-01 → 2012-08-06Seismic survey in progress until 05 aug by M/V ramform vanguard towing 14 cables in area bound by 66-59.4N…
- HYDROLANT 1603/12 · Cable ops2012-07-17 → 2012-07-18Seismic survey in progress until 180600Z jul by M/V artemis atlantic towing 6200 meter long cable in area…
- HYDROARC 83/12 · Cable ops2012-07-17 → 2012-07-18Seismic survey in progress until 180600Z jul by M/V artemis atlantic towing 6200 meter long cable in area…
- HYDROLANT 1567/12 · Cable ops2012-07-14 → 2012-07-15Seismic survey in progress until 150600Z jul by M/V artemis atlantic towing 6200 meter long cable in area…
- HYDROARC 82/12 · Cable ops2012-07-14 → 2012-07-15Seismic survey in progress until 150600Z jul by M/V artemis atlantic towing 6200 meter long cable in area…
- HYDROLANT 1553/12 · Cable ops2012-07-13 → 2012-07-14Seismic survey in progress until 140600Z jul by M/V artemis atlantic towing 6200 meter long cable in area…
- HYDROARC 78/12 · Cable ops2012-07-13 → 2012-07-14Seismic survey in progress until 140600Z jul by M/V artemis atlantic towing 6200 meter long cable in area…
- HYDROLANT 1538/12 · Cable ops2012-07-11 → 2012-07-12Norwegian sea 1. seismic survey in progress until 120600Z by M/V artemis atlantic towing 6200 meter long…
- HYDROARC 71/12 · Cable ops2012-07-08 → 2012-07-19Seismic survey in progress until further notice by M/V osprey explorer towing 12000 meter long cable in area…
- HYDROLANT 1508/12 · Cable ops2012-07-08 → 2012-07-19Seismic survey in progress until further notice by M/V osprey explorer towing 12000 meter long cable in area…
- HYDROLANT 1372/12 · Nav aids2012-06-24 → 2012-06-28GPS satellite system
- HYDROLANT 1308/12 · Nav aids2012-06-17 → 2012-06-22GPS satellite system
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.